Home / 7,422,414.40-11,132,066.40-3,638,612.80

Finding the Fourth Proportional to 7,422,414.40, 11,132,066.40 and 3,638,612.80

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Solution

The fourth proportional to 7,422,414.40, 11,132,066.40 and 3,638,612.80 is: 5,457,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,414.40 : 11,132,066.40 = 3,638,612.80 : x
  2. Step 2: Convert to fraction form
    7,422,414.40/11,132,066.40 = 3,638,612.80/x
  3. Step 3: Cross multiply
    7,422,414.40x = 11,132,066.40 × 3,638,612.80
  4. Step 4: Simplify right side
    7,422,414.40x = 40,505,279,293,489.92
  5. Step 5: Solve for x
    x = 40,505,279,293,489.92/7,422,414.40
  6. Step 6: Final answer
    x = 5,457,156.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.